Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/e1cc2fa1ff9a
Author: Zibi Braniecki <zbigniew.braniecki@gmail.com>
Desc: Merge pull request #22409 from zbraniecki/1047347-clean-up-mozl10n-api-use-in-clock

Bug 1047347 - Clean up mozL10n API use in Clock. r=mcav

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https://hg.mozilla.org/integration/gaia-central/rev/a3d21b115527
Author: Zbigniew Braniecki <gandalf@mozilla.com>
Desc: Bug 1047347 - Clean up mozL10n API use in Clock
Bumping manifests a=b2g-bump